<template>
  <div id="tab-bar-item" @click="itemClick">
    <div class="item-icon" v-show="!isActive"><slot name="icon"></slot></div>
    <div class="item-active-icon" v-show="isActive"><slot name="active-icon"></slot></div>
    <div class="item-text" :style="activeStyle"><slot name="text"></slot></div>
  </div>
</template>

<script>
export default {
  name: "TabBarItem",
  props: {
    link: {
      type: String,
      required: true
    }
  },
  computed: {
    isActive() {
      return this.$route.path.indexOf(this.link) !== -1
    },
    activeStyle() {
      return this.isActive ? {'color': '#288DFF'} : {}
    }
  },
  methods: {
    itemClick() {
      this.$router.replace(this.link)
    }
  }
}
</script>

<style scoped>
  #tab-bar-item {
    flex: 1;
  }

  .item-icon img, .item-active-icon img {
    width: 44px;
    height: 44px;
    margin-top: 28px;
    vertical-align: middle;
  }

  .item-text {
    font-size: 18px;
    margin-top: 6px;
    color: #AAAAAA;
  }
</style>